Literary usage of Airlock

Below you will find example usage of this term as found in modern and/or classical literature:

1.Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housingby David E. Jacobs by David E. Jacobs (1996)"Figure 8.6 Install a Simple airlock Over a Doorway to Minimize Lead Dust Migration.
some reason abrasive blasting without local exhaust ventilation is ..."

3.On the Battle Front of Engineering by Alexander Russell Bond (1916)"He just jumped into that airlock and carried the message down to the men himself.
It was a small airlock, not more than two at a time could go through. ..."